%0 Journal Article %A L. K. Filippov %T Steady state conditions for the diffusion equation with a %J Doklady Akademii Nauk %D 1984 %P 310-314 %V 277 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1984_277_2_a12/ %G ru %F DAN_1984_277_2_a12